1 /* 2 * Copyright 2015 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs <bskeggs@redhat.com> 23 */ 24 #include "priv.h" 25 26 #include <subdev/fb.h> 27 #include <subdev/timer.h> 28 29 static int 30 gm200_ltc_oneinit(struct nvkm_ltc *ltc) 31 { 32 struct nvkm_device *device = ltc->subdev.device; 33 34 ltc->ltc_nr = nvkm_rd32(device, 0x12006c); 35 ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28; 36 37 return gf100_ltc_oneinit_tag_ram(ltc); 38 } 39 static void 40 gm200_ltc_init(struct nvkm_ltc *ltc) 41 { 42 nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base); 43 } 44 45 static const struct nvkm_ltc_func 46 gm200_ltc = { 47 .oneinit = gm200_ltc_oneinit, 48 .init = gm200_ltc_init, 49 .intr = gm107_ltc_intr, 50 .cbc_clear = gm107_ltc_cbc_clear, 51 .cbc_wait = gm107_ltc_cbc_wait, 52 .zbc = 16, 53 .zbc_clear_color = gm107_ltc_zbc_clear_color, 54 .zbc_clear_depth = gm107_ltc_zbc_clear_depth, 55 .invalidate = gf100_ltc_invalidate, 56 .flush = gf100_ltc_flush, 57 }; 58 59 int 60 gm200_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 61 struct nvkm_ltc **pltc) 62 { 63 return nvkm_ltc_new_(&gm200_ltc, device, type, inst, pltc); 64 } 65